... machine, the shears with which the shepherd clips the wool. The miner, the builder of the furnace for smelting the ore, the seller of the timber, the burner of the charcoal to be made useof in the ... smelting-house, the brick-maker, the brick-layer, the workmen who attend the furnace, the mill-wright, the forger, the smith, must all of them join their different arts in order to producethem. Were ... greater part of their goods, but the countrywhich lies round about them, and separates them from the sea-coast, and the great navigable rivers. The extent of their market,therefore, must for...